Analog oscilloscope manufactured between 1986 and 1990. It is equipped with two channels (measurement paths) with a bandwidth of 0 to 20 MHz.
This device was also marketed under contracts with educational institutions, under the identification Cda 9206. Cda (Construction d'appareillage) was a brand of the Chauvin Arnoux group from 1966 to 1991, the year it merged into the group.